Atlanta will fill the final spot on the roster with the rookie guard out of La Salle In the wake of their deadline trades and the Jeremy Lin buyout, the Atlanta Hawks were left with just 12 players on the roster. They quickly moved to promote Jaylen Adams to the full roster to replace Lin as the backup point guard, but were slower to fill the final two spots, first going with Jordan Sibert on February 20 and now signing B.J. Johnson in a deal that’s going to be made official “later in the week,” per Chris Vivlamore of the AJC. The Hawks will sign shooting guard B.J. Johnson to a...